Semester 1 Practice 2023

Front

What is a meteor?

Back

A meteor is a shooting star that appears as a bright streak in the night sky, caused by chunks of rock and debris heated to incandescence by the friction of Earth's atmosphere.

Front

Why does the Sun have more gravity than the planets?

Back

The Sun has more gravity than the planets because it is more massive.

Front

Which types of planets have moons?

Back

Both Terrestrial (rocky) and Gas planets have moons.

Front

What is a common feature of Saturn and Uranus?

Back

Both Saturn and Uranus have rings around them.

Front

What distinguishes a meteorite from a comet?

Back

A meteorite is different from a comet mainly because it enters the Earth’s atmosphere.

Front

What is a comet?

Back

A comet is a celestial body made of ice, dust, and rocky material that, when close to the Sun, develops a tail of gas and dust.

Front

What are terrestrial planets?

Back

Terrestrial planets are rocky planets, including Mercury, Venus, Earth, and Mars.

Front

What are gas giants?

Back

Gas giants are large planets that are primarily composed of hydrogen and helium, including Jupiter and Saturn.

Front

What is the difference between a meteoroid and a meteor?

Back

A meteoroid is a small rock or particle from space, while a meteor is the streak of light produced when a meteoroid enters the Earth's atmosphere.

Front

What is the role of gravity in the solar system?

Back

Gravity is the force that keeps planets in orbit around the Sun and moons in orbit around planets.